View Compilation Error

0_0_35006898_23060.cpp: In function 'int main()':
0_0_35006898_23060.cpp:15:21: error: 'scanf_s' was not declared in this scope
  scanf_s("%d", &test);
                     ^
0_0_35006898_23060.cpp:40:3: error: 'cout' was not declared in this scope
   cout << dp[n][bagmax] << endl;
   ^
0_0_35006898_23060.cpp:40:28: error: 'endl' was not declared in this scope
   cout << dp[n][bagmax] << endl;
                            ^